18kt white gold case with a black alligator leather strap. Fixed 18kt white gold bezel. Silver dial with silver-tone hands and index hour markers. Dial Type: Analog. Perpetual calendar - day and date display above center dial. Date and moonphase sub-dial at the 6 o'clock position. . Automatic movement with a 46 hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Case diameter: 40 mm. Case thickness: 10.70 mm. Round case shape. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: hour, minute, second, perpetual calendar. Luxury watch style. Watch label: Swiss Made. Item Variations: 49535 53 152 BK6A, 49535.53.152.BK6A, 4953553152BK6A. Girard Perregaux 1966 Automatic Silver Dial 18kt White Gold Mens Watch 49535-53-152-BK6A.